body {
    color: #ffffff;
    font-size: 14px;
    overflow: hidden;
}
.banner {
    width: 1920px;
    height: 500px;
    padding-top: 91px;
    background: url("../images/son/banner.png") center;
    background-size: cover;
    box-sizing: border-box;
}
@media (max-width: 1600px) {
    .banner {
        width: 100%;
    }
}
.banner .left {
    width: 490px;
    padding-top: 104px;
}
.banner .left .tip {
    display: flex;
    align-items: center;
    margin-bottom: 19px;
}
.banner .left .tab {
    padding: 1px 7px;
    font-size: 18px;
    border-radius: 3px;
    background-color: rgba(38, 90, 156, 1);
}
.banner .left .tip p {
    margin-left: 10px;
    color: rgba(204, 204, 204, 1);
}
h1 {
    font-size: 50px;
    line-height: 66px;
    padding-left: 70px;
    font-weight: normal;
    margin-bottom: 10px;
    position: relative;
}
h2 ,h3 {
    font-weight: normal;
}
h1 img {
    position: absolute;
    left: 27px;
    top: 23px;
}
.banner .left > p {
    padding-left: 70px;
    line-height: 18px;
    color: rgba(204, 204, 204, 1);
}
.main-mb {
    padding: 20px 0 40px;
    background-color: rgba(245,250,255,1);
}
/* 面包屑 */
.mb-tab-nav {
    font-size: 16px;
    color: rgba(102, 102, 102, 1);
}
.mb-tab-nav a {
    color: rgba(102, 102, 102, 1);
}
.mb-cont {
    text-align: center;
}
.mb-cont h2 {
    font-size: 26px;
    margin: 55px 0 15px;
    line-height: 34px;
    color: rgb(60, 60, 60);
}
.mb-cont p {
    color: rgb(125, 123, 123);
}
.main-data {
    padding: 70px 0;
}
.main-data img.left {
    float: left;
    width: 533px;
    height: 300px;
    display: block;
    object-fit: cover;
    margin-right: 40px;
}
.main-data .right {
    float: left;
    width: 604px;
}
.main-data .right > h2 {
    margin: 10px 0 15px;
    font-size: 32px;
    color: rgb(60, 60, 60);
}
.main-data .right > p {
    color: rgb(125, 123, 123);
}
.main-data .right .txt-p {
    margin-top: 57px;
    color: rgb(91, 91, 91);
}
.title-box {
    text-align: center;
}
.h2-title {
    font-size: 32px;
    line-height: 42px;
    margin-bottom: 15px;
    color: rgb(60, 60, 60);
}
.p-title {
    line-height: 18px;
    color: rgba(125, 123, 123, 1);
}
.main-scene {
    padding: 64px 0 70px;
    background-color: rgba(245, 250, 255, 1);
}
.scene-inner {
    margin-top: 72px;
}
.tab {
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}
.tab .tab-item {
    cursor: pointer;
    font-size: 16px;
    line-height: 21px;
    margin-right: 100px;
    padding-bottom: 30px;
    color: rgba(91, 91, 91, 0.7);
}
.tab .tab-item:last-of-type {
    margin-right: 0;
}
.tab .tab-item.act {
    font-size: 20px;
    line-height: 26px;
    color: rgba(43, 124, 154, 1);
    border-bottom: 1px solid rgba(43, 124, 154, 1);
}
.scene-inner .tab-and {
    display: none;
}
.scene-inner .tab-and.act {
    display: block;
}
.scene-inner h3,
.scene-inner p {
    width: 604px;
    text-align: center;
    margin: 0 auto;
}
.scene-inner h3 {
    font-size: 24px;
    color: rgb(60, 60, 60);
    padding: 70px 0 15px;
}
.scene-inner p {
    line-height: 18px;
    color: rgb(125, 123, 123);
    margin-bottom: 28px;
}
.scene-inner div > img {
    width: 847px;
    display: block;
    margin: 0 auto 26px;
}
.scene-inner div > span {
    display: block;
    text-align: center;
    color: rgba(125,123,123,1);
}


.main-password {
    padding-top: 64px;
}
.pass-img {
    width: 100%;
    height: 688px;
    margin-top: 40px;
    background: url("../images/son/pass-img.png") center;
    background-size: cover;
}

.main-project {
    padding: 94px 0;
}
.project-list {
    margin-top: 40px;
}
.project-list .project-item {
    float: left;
    width: 620px;
    margin-right: 40px;
    text-align: center;
}
.project-list .project-item:last-of-type {
    margin-right: 0;
}
.project-list .project-item img {
    width: 100%;
    height: 330px;
    display: block;
    margin-bottom: 20px;
}
.project-list .project-item p {
    color: rgba(125, 123, 123, 1);
}
.main-box {
    padding-bottom: 120px;
}
.main-box .container > p {
    color: rgba(125,123,123,1);
}